lxc/remote: Show the fingerprint as string not hex
lxc/remote: Show the fingerprint as string not hex

Closes #3293

Signed-off-by: Stéphane Graber <089afc6d81f66f1168a9849e15660feae286e024@ubuntu.com>

Skarlso/lxd,stgraber/lxd,lxc/lxd,erikmack/lxd,erikmack/lxd,mjeanson/lxd,jsavikko/lxd,jsavikko/lxd,stgraber/lxd,georghopp/lxd,stgraber/lxd,erikmack/lxd,stgraber/lxd,lxc/lxd,lxc/lxd,georghopp/lxd,stgraber/lxd,pcdummy/lxd,atxwebs/lxd,hallyn/lxd,lxc/lxd,hallyn/lxd,hallyn/lxd,atxwebs/lxd,Skarlso/lxd,Skarlso/lxd,mjeanson/lxd,techtonik/lxd,hallyn/lxd,pcdummy/lxd,techtonik/lxd,stgraber/lxd,mjeanson/lxd,atxwebs/lxd,hallyn/lxd,Skarlso/lxd,techtonik/lxd,stgraber/lxd,lxc/lxd,georghopp/lxd,jsavikko/lxd,atxwebs/lxd,lxc/lxd,pcdummy/lxd,lxc/lxd,hallyn/lxd